package stringOnCollection;

import java.util.*;

public class Mountain {
	public static void main(String[] args){
		List mountains = new ArrayList();
		
		mountains.add("Bromo");
		mountains.add("Arjuna");
		mountains.add("Merbabu");
		mountains.add("Krakatau");
		
		System.out.println("org: " + mountains);
		Collections.reverse(mountains);
		System.out.println("rvs: " + mountains);
		Collections.sort(mountains);
		System.out.println("srt: " + mountains);
	}
	
}
